BS ISO 4834:1997

Cinematography. Magnetic sound test films excluding striped release prints. Basic technical characteristics. | Status: Confirmed, Current

1 Scope This International Standard specifies basic technical characteristics for the magnetic sound test films for checking, adjusting and measuring sound reproducing channels of dubbing motion-picture installations. It also specifies types and technical characteristics of magnetic test films made on 35 mm, 17,5 mm and 16 mm motion-picture films. This International Standard includes test films intended for the checking, adjusting and measuring of

1. a) inclination angle (azimuth) of the magnetic head gaps;
2. b) output level balance of multi-channel systems;
3. c) frequency response of the sound reproduction channel;
4. d) non-uniformity of film velocity (flutter).